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<?php |
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/* |
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* This file is part of the feed-io package. |
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* |
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* (c) Alexandre Debril <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace FeedIo\Reader; |
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class Document |
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{ |
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/** |
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* @var string |
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*/ |
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protected $content; |
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/** |
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* @var \DOMDocument |
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*/ |
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protected $domDocument; |
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/** |
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* @var array |
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*/ |
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protected $jsonArray; |
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/** |
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* Document constructor. |
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* @param string $content |
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*/ |
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public function __construct($content) |
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{ |
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$this->content = trim($content); |
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} |
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/** |
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* @param $character |
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* @return bool |
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*/ |
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public function startWith($character) |
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{ |
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return substr($this->content, 0, 1) === $character; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isJson() |
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{ |
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return $this->startWith('{'); |
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} |
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/** |
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* @return bool |
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*/ |
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public function isXml() |
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{ |
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return $this->startWith('<'); |
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} |
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/** |
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* @return \DOMDocument |
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*/ |
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public function getDOMDocument() |
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{ |
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if ( is_null($this->domDocument) ) { |
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$this->domDocument = $this->loadDomDocument(); |
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} |
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return $this->domDocument; |
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} |
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/** |
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* @return array |
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*/ |
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public function getJsonAsArray() |
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{ |
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if ( is_null($this->jsonArray) ) { |
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$this->jsonArray = $this->loadJsonAsArray(); |
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} |
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return $this->jsonArray; |
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} |
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/** |
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* @return \DOMDocument |
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*/ |
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protected function loadDomDocument() |
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{ |
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if ( ! $this->isXml() ) { |
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throw new \LogicException('this document is not a XML stream'); |
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} |
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set_error_handler( |
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/** |
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* @param string $errno |
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*/ |
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function ($errno, $errstr) { |
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throw new \InvalidArgumentException("malformed xml string. parsing error : $errstr ($errno)"); |
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} |
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); |
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$domDocument = new \DOMDocument(); |
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$domDocument->loadXML($this->content); |
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restore_error_handler(); |
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return $domDocument; |
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} |
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/** |
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* @return array |
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*/ |
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protected function loadJsonAsArray() |
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{ |
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if ( ! $this->isJson() ) { |
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throw new \LogicException('this document is not a JSON stream'); |
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} |
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return json_decode($this->content, true); |
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} |
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} |
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alexdebril /
feed-io
